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CVE-2025-21965 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: sched_ext: Validate prev_cpu in scx_bpf_select_cpu_dfl() If a BPF scheduler provides an invalid CPU (outside the nr_cpu_ids range) as prev_cpu to scx_bpf_select_cpu_dfl() it can cause a kernel crash. To prevent this, validate prev_cpu in scx_bpf_select_cpu_dfl() and trigger an scx error if an invalid CPU is specified.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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Hyperlink Resource
https://git.kernel.org/stable/c/515680e76c536dd4aa8e2b5d674b0d441baddf5b
https://git.kernel.org/stable/c/752b56bb76e2471197d25d6948d85753043b10da
https://git.kernel.org/stable/c/9360dfe4cbd62ff1eb8217b815964931523b75b3

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-21965
NVD Published Date:
04/01/2025
NVD Last Modified:
04/01/2025
Source:
kernel.org